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Switching between fixed and call-adaptive playout: a per-call playout algorithm

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2 Author(s)
Younchan Jung ; Inf. & Commun. Eng., Catholic Univ. of Korea, South Korea ; Atwood, J.W.

Adaptive playout algorithms provide a popular way to calculate voice-over-IP (VoIP) packets' playout delay - the difference between the playout time at the receiver and the packet-generation time at the sender. The authors' proposed per-call adaptive algorithm uses network delays received from the VoIP gatekeeper to switch between fixed and call-adaptive playout. Their approach also reduces loss rates while increasing playout delay only slightly.

Published in:

Internet Computing, IEEE  (Volume:9 ,  Issue: 4 )